Create a bespoke temporary wireless building site system using this easy-to-use system builder.

The Howler Wireless Site Alert system is designed for smaller building sites with smaller budgets.

It has been specifically designed for an incredibly simple installation and operation; each system has a Master Unit, and up to 30 Subsidiary units can be linked to it.

The alarm can be activated at any point. When a unit is activated, the system is designed in such a way that all other units on the system activate at the same time, creating one large system. The system is then silenced by pressing the button on any unit 3 times in succession.

Each unit features an integral 100 decibel sounder and flashing LED beacon with a red lens.

Uniquely, the system includes a silent automatic disconnection warning. This means that if any Site Alert becomes disconnected for a pre-set period of time, an LED illuminates on the unit. It is essential for radio-linked alarms to have a disconnection warning which does not depend on someone remembering to carry out a weekly test.

The weatherproof design is suitable for indoor and outdoor locations, and the units are powered by standard, readily available alkaline batteries.

Key Features

• Very quick and easy to install. Saving time and costs.
• Continuous fault monitoring, giving confidence your alarms are connected and fully operational.
• Wirelessly link up to 31 units, without the need for any cabling.
• Fully battery operated system, no mains power required.
• Class 1 receiver enhanced connectivity.

Frequently Asked Questions

What is the range?

The open air range is approximately 1km. All Subsidiary units have to be within range of the Master unit. In practice, within a building we would suggest the following guidelines:

• When located in stairwells up to 6 storeys can be covered
• Each Subsidiary unit indoors should be within approximately 50m of the Master unit

Do I need special gear to programme this?

No, the units are addressed using DIP switches, making the system very simple to set up

Can I have more than 1 Master unit on a site?

Yes, there are 8 channels, so up to 8 systems can be run separately in close proximity

Do I need a control panel?

No, the system does not require a control panel. A Master Unit is required for each system

How do I silence the alarms?

By pressing the switch on any unit 3 times in succession

How do I know when the batteries need replacing?

There is automatic battery monitoring function on each unit, and a visual warning is given when the batteries need replacing

What frequency is the system operating on?

The bandwidth is 868mHz and the units are equipped with Class 1 receivers providing reliable connections between units